Company lists · Data refreshed September 2026

Top 25 Strategic outsource solutions based in the United Kingdom

RevenueBase identified 238 strategic outsource solutions headquartered in the United Kingdom as of September 2026 and tracks 3,333 professional contacts across them, including 463 with verified work emails. London is the largest hub.

This list covers strategic outsource solutions headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
238Companies
3,333Contacts tracked
463Verified emails
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The 25 largest strategic outsource solutions based in the United Kingdom

Ranked by team size
Top 25 of 238 strategic outsource solutions based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to strategic outsource solutions: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceLondon, United KingdomHQ checked Sep 21, 202651-200569 contacts →

Partial evidence

“Vertex is a leader in BPO and Customer Management Outsourcing, serving over 200 clients worldwide across many sectors.”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceLondon, United KingdomHQ checked Sep 21, 2026501-1,000333 contacts →

Partial evidence

“Ubique Systems is a fast growing multifaceted organization which offers a comprehensive array of outsourcing and consulting services for its customers, including recruitment…”

Source: RevenueBase Database · checked Sep 21, 2026
3Partial evidenceLondon, United KingdomHQ checked Sep 21, 2026201-500103 contacts →

Partial evidence

“we redefine business process outsourcing, empowering companies to broaden their horizons.”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceWelwyn Garden City, United KingdomHQ checked Sep 21, 202651-20080 contacts →

Partial evidence

“Purchase Direct provides outsourced purchasing services to businesses requiring long term management and control of their overhead purchasing.”

Source: RevenueBase Database · checked Sep 21, 2026
5Strong evidenceWalsall, United KingdomHQ checked Sep 21, 2026201-50069 contacts →

Strong evidence

“PP Control & Automation is an award-winning provider of strategic outsourcing solutions to many of the most successful and respected machinery builders worldwide.”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceSurbiton, United KingdomHQ checked Sep 21, 202611-5063 contacts →

Partial evidence

“IYKONS – 17 Years of Empowering Businesses Since 2008, IYKONS has been transforming the way businesses operate, delivering trusted solutions that integrate Accounting & Finance…”

Source: RevenueBase Database · checked Sep 21, 2026
7Strong evidencePark, United KingdomHQ checked Sep 21, 202651-20063 contacts →

Strong evidence

“LTK are a outsourced solutions provider, assisting you to reach your goals through customer retention, sales growth, business & strategy development/ implementation and people…”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceLondon, United KingdomHQ checked Sep 21, 2026n/a53 contacts →

Indirect evidence

“OCI is a procurement and supply chain partner to governments, Fortune companies, and large corporates.”

Source: RevenueBase Database · checked Sep 21, 2026
9Partial evidenceLondon, United KingdomHQ checked Sep 21, 202651-20048 contacts →

Partial evidence

“At Fly Pie, sales outsourcing isn’t a “done-for-you” service, it’s a growth engine we build with you.”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceLondon, United KingdomHQ checked Sep 21, 202611-5033 contacts →

Partial evidence

“SystemRapid - inner feelings.outsourced.”

Source: RevenueBase Database · checked Sep 21, 2026
11Partial evidenceBromsgrove, United KingdomHQ checked Sep 21, 202611-5032 contacts →

Partial evidence

“Almost every business can save time and money with smart outsourcing from Go-To - how much depends on you.”

Source: RevenueBase Database · checked Sep 21, 2026
12Partial evidenceLondon, United KingdomHQ checked Sep 21, 202611-5028 contacts →

Partial evidence

“PrECA: Procurement Excellence for Competitive Advantage We offer procurement consulting and outsourcing services to medium and large companies.”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceLeeds, United KingdomHQ checked Sep 21, 202651-20026 contacts →

Indirect evidence

“SNT Group is a service led business, providing our clients with best of breed technologies and services.”

Source: RevenueBase Database · checked Sep 21, 2026
14Partial evidenceSt. Ives, United KingdomHQ checked Sep 21, 202611-5025 contacts →

Partial evidence

“ILUX - IT Consulting | Technology | Support Strengthen your business with improved IT, processes and innovation with ILUX, the specialist IT outsourcing company.”

Source: RevenueBase Database · checked Sep 21, 2026
15Partial evidencePreston, United KingdomHQ checked Sep 21, 202611-5022 contacts →

Partial evidence

“Top Resource Group is your one-stop ally for all business outsourcing needs.”

Source: RevenueBase Database · checked Sep 21, 2026
16Partial evidenceTrentham, United KingdomHQ checked Sep 21, 202611-5021 contacts →

Partial evidence

“A company that cares, we provide single source solutions for your business.”

Source: RevenueBase Database · checked Sep 21, 2026
17Strong evidenceLeeds, United KingdomHQ checked Sep 21, 202611-5018 contacts →

Strong evidence

“We are a firm of experienced finance professionals who provide strategic, financial and operational solutions to your business on a flexible basis.”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceCockfosters, United KingdomHQ checked Sep 21, 202611-5017 contacts →

Partial evidence

“A Business Solutions Provider which offers a fully integrated approach to transforming the way businesses operate, focusing upon making the people and the processes of a business…”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceHessle, United KingdomHQ checked Sep 21, 202611-5016 contacts →

Indirect evidence

“At VIP, we are committed to providing brilliant customer service, always putting our clients first.”

Source: RevenueBase Database · checked Sep 21, 2026
20Partial evidenceLondon, United KingdomHQ checked Sep 21, 202651-20016 contacts →

Partial evidence

“Kimon Services provides high-quality outsourced staff across various industries and disciplines, including customer service, data entry, call centres, marketing and sales support…”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceLondon, United KingdomHQ checked Sep 21, 202611-5012 contacts →

Indirect evidence

“We bring our extensive industry experience to the hum-drum of finance, HR, operations, marketing and compliance so that you can focus on delivering the fun to your customers.”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceBristol, United KingdomHQ checked Sep 21, 202611-5012 contacts →

Indirect evidence

“We help clients make faster and smarter decisions, We are equipped with skilled employees that fits your needs to build cutting edge project as you desire, we are experts in…”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceSouthampton, United KingdomHQ checked Sep 21, 20261-1011 contacts →

Indirect evidence

“Horizon Seven are specialists in visionary sourcing, a new breed of consulting firm that believes in helping businesses realise their future by leveraging the power of sourcing.”

Source: RevenueBase Database · checked Sep 21, 2026
24Strong evidenceLondon, United KingdomHQ checked Sep 21, 20261-1011 contacts →

Strong evidence

“About AnyBPO: AnyBPO is an international consulting company specializing in Business Process Outsourcing (BPO) solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
25Strong evidenceWantage, United KingdomHQ checked Sep 21, 202611-5010 contacts →

Strong evidence

“We are Business Garage: providing business outsourcing and consultancy services for SMEs: Business Strategy, Financial Management, Payroll, Bookkeeping, HR Consultancy and more!”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 238 strategic outsource solutions based in the United Kingdom

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Strategic outsource solutions based in the United Kingdom at a glance

As of Sep 21, 2026
13.9%Verified-email coverage
14.0Average contacts per company
1-10Median size (employees)
32.8%Largest-city concentration · London
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
129
11-50
78
51-200
20
201-500
6
501-1,000
4
5,001-10,000
1

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 238 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among strategic outsource solutions, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “strategic outsource solutions”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names strategic outsource solutions), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among strategic outsource solutions, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 463 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Strategic outsource solutions by metro

  • Strategic outsource solutions in London78

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names strategic outsource solutions, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many strategic outsource solutions are there based in the United Kingdom?

RevenueBase identified 238 strategic outsource solutions headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Vertex Data Science, headquartered in London, tops this list with the largest team on record.

Which city has the most strategic outsource solutions?

London leads with 78 headquartered companies, followed by Manchester (10) and Birmingham (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 463 verified decision-maker contacts tracked across these 238 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.